Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5523459 | Preparation of .alpha.-keto acid ester | Koichi Hirai, Yasuo Nakamura, Kiyotaka Yoshii | 1996-06-04 |
| 5455372 | Method of producing a glycolic acid ester | Koichi Hirai, Yasuo Nakamura | 1995-10-03 |